Holding(s) in Company

Filtrona plc
06 December 2006



                                  FILTRONA PLC
                             HOLDING(S) IN COMPANY

6 December 2006

Filtrona plc announces it was informed on 5 December 2006 that, following a
recent in specie transfer of 604,860 shares, AMVESCAP PLC (AMVESCAP) and
subsidiary companies on behalf of discretionary clients have an interest within
the meaning of Part VI of the Act in 32,971,572 Ordinary 25p Shares of Filtrona
plc (representing 15.03%), details of that interest, together with a breakdown
between registered holders (as required by Section 202(3) of the Act), are set
out below:-


Bank of Ireland (Dublin)                         530,256
Bank of New York                                 121,352
Bank of New York (Brussels)                       58,359
JP Morgan Chase (Hong Kong)                      151,759
Chase Nominees                                   760,144
Vidacos Nominees Limited                      25,221,948
HSBC Nominees                                    676,189
Japan Trustee Services Bank                        3,641
Mellon Bank, Pittsburgh                          229,049
State Street Trust & Banking Co. (London)      3,003,000
Trust & Custody Service JP                         7,096
Northern Trust Company (London)                  444,779
AIM Trimark                                    1,764,000

Filtrona plc was advised that none of these shares are beneficially owned by
AMVESCAP. Subsidiary companies of AMVESCAP have a large number of portfolio
management clients for whom they act as investment manager and investment
advisor and by virtue of Section 203 of the Companies Act 1985 AMVESCAP is
deemed to have the same interest in the shares.



Name of contact and telephone number for queries

Patricia Kingdon
Deputy Company Secretary
01908 359100


Name of authorised company official responsible for making this notification

Jon Green
Company Secretary and General Counsel
01908 359100



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